The ocean's tide can reverse the natural flow of a river. (firstthings.com)
After a flood had hit, a recurrent case of flood management was to reinforce and rise flood protections up to a level that would safely confine the peak flow of the river in case a similar event occurred again in the future (see e.g., Fenn et al. 2014). (link.springer.com)
«Residents are advised to relocate to safer grounds to guide against flood coupled with heavy flow of rivers that are tributaries to the Ogun River, he said (nigeriapoliticsonline.com)